NVIDIA GeForce GT 120M Mac Edition vs NVIDIA GeForce 945A
We compared two Mobile platform GPUs: 256MB VRAM GeForce GT 120M Mac Edition and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 120M Mac Edition 's Advantages
Lower TDP (14W vs 33W)
NVIDIA GeForce 945A 's Advantages
Released 6 years and 3 months late
Boost Clock1189MHz
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (40.10GB/s vs 25.34GB/s)
352 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 120M Mac Edition
0.08 TFLOPS
GeForce 945A
+1041%
0.913 TFLOPS
Graphics Card
Dec 2008
Release Date
Mar 2015
GeForce 100M
Generation
GeForce 900A
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1006 MHz
-
Boost Clock
1189 MHz
792 MHz
Memory Clock
1253 MHz
Memory
256MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
25.34GB/s
Bandwidth
40.10GB/s
Render Config
-
-
-
4
SM Count
-
32
Shading Units
384
16
TMUs
24
8
ROPs
8
-
-
-
-
-
-
-
L1 Cache
64 KB (per SMM)
32 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
9.512 GPixel/s
8.000 GTexel/s
Texture Rate
28.54 GTexel/s
-
-
-
80.00 GFLOPS
FP32 (float)
913.2 GFLOPS
-
FP64 (double)
28.54 GFLOPS
Board Design
14W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
G96C
GPU Name
GM108
-
-
-
Tesla
Architecture
Maxwell
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.314 billion
Transistors
Unknown
121 mm²
Die Size
Unknown
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.1
CUDA
5.0
4.0
Shader Model
5.1
